package code._19container._03map._01hashmap;

import April._27.work5.IntegerGenerator;

import java.util.HashMap;

public class Demo {
    public static void main(String[] args) {
        HashMap<String, Integer> map = new HashMap<>();
        map.put("zs",20);
        map.put("zs",21);
        System.out.println("map = " + map);

        HashMap<String, Integer> map1 = new HashMap<>(1<<4);
        System.out.println("map1 = " + map1);
    }
}
